Google Education – access infrastructure guide Manuel d'utilisateur Page 5
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5
Access area Small network Medium network large network
LAN : Wired
Ports
Consider if wired network
ports are needed and in
which areas
How many ports per area for
users and how many for APs
and other devices
Cabling-atleastCAT5
(up to 100Mbps)
Consider if wired network
ports are needed and in
which areas
How many ports per area for
users and how many for APs
and other devices
Cabling-atleastCAT5e.
Considerberifdistance
between nodes > 100m
(up to 1Gbps)
Consider if wired network
ports are needed and in
which areas
How many ports per area for
users and how many for APs
and other devices
Cabling-atleastCAT6.Use
bertoconnectcampus
(up to 10Gbps)
LAN : WiFi :
AP radio
planning
Radio planning is very
important for a successful WiFi
deployment. Plan on using
multi radio
-2.4Ghz(802.11b,g,n)
-5Ghz(802.11a,n&ac)
Itispreferedtouse5Ghz
radios the larger your
installation gets as they have
more channels for channel
separation and thus can
support more AP radios and
thus more users
Basic planning steps are
referenced in this article
In all cases you should use
a planning tool, most likely
supplied by your equipment
vendor
Radio planning is very
important for a successful WiFi
deployment. Plan on using
multi radio
-2.4Ghz(802.11b,g,n)
-5Ghz(802.11a,n&ac)
Itispreferedtouse5Ghz
radios the larger your
installation gets as they have
more channels for channel
separation and thus can
support more AP radios and
thus more users
Basic planning steps are
referenced in this article
In all cases you should use
a planning tool, most likely
supplied by your equipment
vendor
Radio planning is very
important for a successful WiFi
deployment. Plan on using
multi radio
-2.4Ghz(802.11b,g,n)
-5Ghz(802.11a,n&ac)
Itispreferedtouse5Ghz
radios the larger your
installation gets as they have
more channels for channel
separation and thus can
support more AP radios and
thus more users
Basic planning steps are
referenced in this article
In all cases you should use
a planning tool, most likely
supplied by your equipment
vendor
LAN : WiFi :
AP power
Consider Power over Ethernet
(PoE) to power your APs and
other devices. This way you
won’t need to have a separate
power line/port for each AP, IP
phone, camera, etc.
PoE:15.4Wperport.Fine
to power APs. Normally not
enough to power cameras or
IP phones.
PoE+:25.5Wperport.
More expensive, but can
power phones, cameras and
other devices.
* Note that your LAN Switches
should support the PoE
standard you choose. Not
always all ports of a switch are
PoE capable. You can combine
switches of both standards
feeddierentpowersto
specicareas.
Consider Power over Ethernet
(PoE) to power your APs and
other devices. This way you
won’t need to have a separate
power line/port for each AP, IP
phone, camera, etc.
PoE:15.4Wperport.Fine
to power APs. Normally not
enough to power cameras or
IP phones.
PoE+:25.5Wperport.
More expensive, but can
power phones, cameras and
other devices.
* Note that your LAN Switches
should support the PoE
standard you choose. Not
always all ports of a switch are
PoE capable. You can combine
switches of both standards
feeddierentpowersto
specicareas.
Consider Power over Ethernet
(PoE) to power your APs and
other devices. This way you
won’t need to have a separate
power line/port for each AP, IP
phone, camera, etc.
PoE:15.4Wperport.Fine
to power APs. Normally not
enough to power cameras or
IP phones.
PoE+:25.5Wperport.
More expensive, but can
power phones, cameras and
other devices.
* Note that your LAN Switches
should support the PoE
standard you choose. Not
always all ports of a switch are
PoE capable. You can combine
switches of both standards
feeddierentpowersto
specicareas.
continued
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